Preparing for 2.0.0

[FireML]

2.0.0 Checklist:

• [X] Drop 1.16 and 1.17 Support - @FireML

Related Issue: N/A Pull Request: #505

• [X] Overhaul Competition Code - @sarhatabaot

Related Issue: #443 Pull Request: #494

• [X] Rework Competition Configs - @FireML

Related Issue: N/A Pull Request: #503

• [X] Rework Rarity and Fish Configs - @FireML

Related Issue: N/A Pull Request: #517

• [X] Add a removal warning to SpigotAdapter - @FireML

Related Issue: N/A Pull Request: #519

• [X] Look into bait issues - @FireML

Related Issue: #397 Pull Request: #528

• [X] Switch to CommandAPI - @FireML

Related Issue: N/A Pull Request: #539

• [x] Add GUI Actions wiki - @FireML

Related Issue: N/A Pull Request: #527

• [X] Improve Bait loading - @FireML

Related Issue: N/A Pull Request: #530

• [x] Hunting Competition Type - @Oheers passed on to @FireML

Related Issue: N/A Pull Request: #576

• [x] Fix and improve the database - @sarhatabaot

Related Issue: #512 Pull Request: #541

• [ ] Add a Fish Codex GUI - @FireML

Related Issue: #371 Pull Request: #563

• [x] Fix Addons - @sarhatabaot

Related Issue: #498 + Some reports on Discord Pull Request: #553

• [x] Drop Spigot - @FireML

Related Issue: N/A Pull Request: #587